For the accelerometer in Problem 27, design a signal-conditioning system that provides velocity information at 2 mV/(m/s) and position information at 0.5 V/m.
Problem
An LVDT is used in an accelerometer to measure seismic-mass displacement. The LVDT and signal-conditioning output is 0.31 mV/mm with a cm maximum core displacement. The spring constant is 240 N/m, and the core mass is 0.05 kg.
Find (a) the relation between acceleration in and output voltage, (b) the maximum acceleration that can be measured, and (c) the natural frequency.